The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 11, 2014
Filed:
Jun. 27, 2007
Applicants:
Sachiko Honma, Tsukuba, JP;
Tetsuro Tateishi, Tsukuba, JP;
Inventors:
Sachiko Honma, Tsukuba, JP;
Tetsuro Tateishi, Tsukuba, JP;
Assignee:
Hisamitsu Pharmaceutical Co., Inc., Tosu-Shi, Saga, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61F 13/02 (2006.01); A61L 15/16 (2006.01); A61F 13/00 (2006.01); A61K 31/445 (2006.01);
U.S. Cl.
CPC ...
Abstract
A patch preparation having a backing layer and a drug layer laminated on the backing layer; wherein the drug layer contains an adhesive containing at least one compound selected from the group consisting of fentanyl and pharmaceutically acceptable salts thereof, polyisobutylene, and a silicon-containing polymer; and a mass ratio of the polyisobutylene and the silicon-containing polymer in the adhesive is 20:1 to 7:3.